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Q.6 Find the ratio of the following: (a) 81 to 108 (b) 98 to 63 (c) 33 km to 121 km (d) 30 minutes to 45 minutes

(a) 81 to 108 = $$\frac{81}{108} = \frac{81÷27}{108÷27} = \frac{3}{4}$$
(b) 98 to 63 = $$\frac{98}{63} = \frac{98÷7}{63÷7} = \frac{14}{9}$$
(c) 33 km to 121 km = $$\frac{33 km}{121 km} = \frac{33÷11}{121÷11} = \frac{3}{11}$$